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A251356 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements 1
7279536, 14522811996, 28911058486029, 57599526297754843, 114759773653630134486, 228648289988622704385854, 455562927063978805202146318, 907671741743150889238106215589 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251359

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

..2..0..2..3..2..1....2..0..2..3..1..0....0..0..0..0..2..2....2..0..0..2..1..0

..0..0..2..2..2..0....0..2..1..1..1..3....0..0..2..3..1..0....0..2..3..1..0..0

CROSSREFS

Sequence in context: A253469 A325606 A157378 * A116236 A116259 A158256

Adjacent sequences:  A251353 A251354 A251355 * A251357 A251358 A251359

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified January 15 13:34 EST 2021. Contains 340187 sequences. (Running on oeis4.)